|
Ki is the 128-bit Individual Subscriber Authentication Key utilized as a secret key shared between the Mobile Station and the Home Location Register of the subscriber's home network.
RAND is 128-bit random challenge generated by the Home Location Register.
SRES is the 32-bit Signed Response generated by the Mobile Station and the Mobile Services Switching Center.
Kc is the 64-bit ciphering key used as a Session Key for encryption of the over-the-air channel. Kc is generated by the Mobile Station from the random challenge presented by the GSM network and the Ki from the SIM utilizing the A8 algorithm.
GSM Security FAQ
|
Network System Architects, Inc.
